Allstar ALL50310 Brake Line Adapter Fitting -3AN Tube Sleeve for 3/16" Steel Brake Line, (Pack of 4) Brake line adapter fitting is a-3an tube sleeve for 3/16 inch steel brake lines and is a straight style fitting Sold in one set of 4 pieces If you don't see what you need, Allstar also carries a large and wide selection of quality fittings for most automotive plumbing needs Backed by a 90-day limited factory warranty